Thread-parter for weft-replenishing looms.



No. 667,66l. Patented Feb. 5, IBM.

J. NDRTHROP. THREAD PARTER FOR WEFT REPLENISHING LODMS.

(Application filed May 24, 1900:)

(No Model.)

Utirrnn Smarns PATENT FFicE.

JONAS NORTHROP, OF HOPEDALE, MASSACHUSETTS, ASSIGNOR TO THE DRAPERCOMPANY, OF SAME PLACE AND PORTLAND, MAINE.

THREAD PARTER FDR WEFT=REPLENSHING LOOMS SPECIFICATIQN forming part ofLettersliatent No. 667,661, dated IEebruary 5, 1901.

A1131. :ation filed May 24, 1900. Serial No. 17,798. (No model.)

To a, who/7t fir? 7121.07 concern:

Be it known that I, JONAS NORTHROP, a citizen of the United States,residing at Hope dale, in the county of Worcester and State ofMassachusetts, have invented an Improvement in lhread-Parters forWeft-Replenishing Looms, of which the following description, inconnection with the accompanying drawings, is a specification, likecharacters on the drawings representing like parts.

This invention has for its object the prod uction of novel threadcutting or parting means for looms and more particularly applicable tolooms provided with automatic filling-supplying mechanism, whereby theleugth of thread extending from the selvage of the cloth to thefilling-carrier ejected upon change of filling can be parted.

Ihave provided novel means for making the threadparter laterallyadjustable to accommodate cloth of difierent widths, it being desirable,manifestly, to sever the thread adjacent the selvage.

In the practical embodiment of my invention herein shown thethread-parter is mounted on a shuttle-feeler, and when the shuttle isproperly positioned the shuttle-feeler brings the thread-parter intooperative position, the actuation of the latter to part the thread beingeffected as the lay heats up.

Various novel features of myinvention will be hereinafter described, andparticularly pointed out in the following claims.

Figure 1 is a cross-sectional view of a portion of a loom provided withautomatic filling-supplying mechanism with one embodiment of mypresentinvention applied thereto. Fig. 2 is an enlarged detail in planof a portion of the lay, the shnttle-feeler, and threadparter, the laybeing supposed to be moving forward to complete its stroke; and Fig. 3is an enlarged detail, in side elevation, of the thread-parter, the jawsbeing shown closed.

Referring to Fig. 1, the frame A, breastbeam A the lay A theself-threading shuttle S, the hopper or feeder F and transferrer f,mounted on the stud f, forming a part of the automatic filling-supplyingmechanism, and the shaft d, adapted to be rocked by or through. theaction of the feeler (not shown) upon exhaustion of the filling in theshuttle to a predetermined extent, are and may be all substantially asin United States Patent No. 641,792, dated January 23, 1900, the end fof the transferrer having mounted upon it a headed rocker-stud 0%,provided with an attached arm m on which is mounted a notched d 0g mprovided with a lateral lug m,a bunter C on the lay engaging the dogwhen moved into position prior to a change of filling. As in saidpatent, a bracket A is mounted on the frame and has pivoted thereon at 5an upturned rearwardly-bent arm y, forming a shuttle'feeler, saidshuttle-feeler having a lateral stud or roll 6, normally engaged by adetent-finger d fast 011 the rock-shaft cl, maintained in the positionshown in Fig. 1 by the strong spring S a branch y, (see dotted lines,Fig. 1,) rigidly secured to the shuttle-feeler, engaging the lug m onthe dog m the parts herein described operating as set forth in thepatent referred to.

As best shown in Fig. 2, the shuttle-feelery has bolted securelythereto, as at 12, a lateral arm a, extended inward toward the cloth,said arm having a bolt 13 extended therethrough to enter a longitudinalslot b (see dotted lines, Fig. 2) in a long arm I), rigidly secured tothe thread-parter, a nut 14 on the bolt 13 holding the two arms togetherin adjusted position.

The thread-parter is shown as comprising a strong fixed jaw 19, securedto the arm I) and extended toward the lay and having fulcrumed thereonat b the movable jaw b a spring 5 Fig. 2, coiled around the fulcrumstudb and secured at one end thereto, normally maintaining the jaws open,the other width of the latter, space being left between I00 thethread-parte'r and the selvage for the temple T. Now when theshuttle-feeler is moved toward the lay it can complete its movement ifthe shuttle is properly boxed, as in Fig. 2, and the thread-parter ismoved into operative position, the thread of filling, extending from theselvage to the shuttle, passing between the jaws b b. If the shuttle isnot properly boxed, the thread-parter will not be moved into operativeposition, and consequently operation of the same will be prevented.

Any suitably-located projection on the lay can be arranged to strike thefinger b as the lay heats up to close the jaws and part the thread, andsuch projection may be a portion of the reed, enough dents being removedto prevent interference with the jaws; or I may insert an uprightprojection or bar 71 Figs. 1 and 2, at theend of the reed, between thelay and the reed-cap R, the projection being located in either eventback of the shuttlerace, as will be manifest. The lateral extension ofthe finger b permits considerable lateral adjustment of thethread-patter for any given position of the actuating device 17 and itwill be noted that the finger b is located above the point at which thethread is engaged and parted by the jaws, thus obviating anyinterference with the thread. After the thread-parter has been actuatedthe spring .9 opens the jaws in readiness for the next operation.

The construction shown herein may be changed or modified withoutdeparting from the spirit and scope of my invention.

Having described my invention, what I claim as new, and desire to secureby Letters Patent, is-

1. In a loom, a shuttle adapted to carry a supply of filling, ashuttle-feeler, having a laterally-extended arm, and a thread-parteradjustably mounted on said arm.

2. In a loom, a shuttle adapted to carry a supply of filling, ashuttle-feeler, a threadparter, and a longitudinally-extensibleconnection between it and the feeler and extended laterally from thelatter.

3. In a loom provided with filling-supplying mechanism, the lay, ashuttle adapted to carry a supply of filling, a shuttle-feeleroperatively connected with said mechanism, a threadparter movable withthe shuttle-feeler, to part the thread of the filling-carrier to beejected upon change of filling, said thread-parter including a fingerlocatedabove the plane of the cloth, and a device on the lay to engagethe finger and actuate the thread-parter.

4:. In a loom, the lay, a shuttle-feeler having a lateral arm, athread-parter comprising normally open parting-jaws and a finger toclose them, adjustable means to connect said thread-parter with the armon the shuttlefeeler, and a device on the lay to engage the finger andeffect closing of the jaws.

5. In a loom, a shuttle-feeler, a laterallyadj ustable thread-partercarried thereby including a movable jaw having an upturned extension,and means to engage said extension above the thread to be parted, toactuate the jaw.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

JONAS NORTI-IROP.

Vitnesses:

GEORGE OTIS DRAPER, ERNEST W. WOOD.

